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Item 5D Marysville Ring Levee Supplemental IS/EA/MND April 27, 2018

Item 5D Marysville Ring Levee Supplemental IS/EA/MND April 27, 2018. Presented by: Daniel Bremerman , P.E. (DWR) David Moldoff (DWR). Project Sponsors. Federal Sponsor: United States Army Corps of Engineers (USACE) ( NEPA lead ) Sacramento District (USACE-SPK) Non-federal Sponsors:

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Item 5D Marysville Ring Levee Supplemental IS/EA/MND April 27, 2018

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  1. Item 5DMarysville Ring LeveeSupplemental IS/EA/MNDApril 27, 2018 Presented by: Daniel Bremerman, P.E. (DWR) David Moldoff (DWR)

  2. Project Sponsors Federal Sponsor: • United States Army Corps of Engineers (USACE) (NEPA lead) • Sacramento District (USACE-SPK) Non-federal Sponsors: • Central Valley Flood Protection Board (Board) (CEQA Lead) • Department of Water Resources Flood Projects Office • Marysville Levee District (MLD) • MBK Engineers

  3. Project Location Yuba River Basin Reaches • At the confluence of the Yuba and Feather Rivers

  4. Design and Construction Status Phase 4B Phase 4A Phase 1 Phase 2A-North Phase 3 Phase 2A-South Construction Year Phase 2A North = 2018 Phase 2A South = 2019 Phase 2C = 2020 Phase 2B = 2020,2021 Phase 3 = 2021 Phase 2B Phase 2C

  5. Supplemental Environmental Assessment/Initial Study Phase 2A South-Phase 2C

  6. Environmental Background • 2010: Joint EA/IS Completed • CVFPB – Mitigated Negative Declaration (MND) adopted • USACE – Finding of No Significant Impact (FONSI) adopted

  7. Phase 2A-S & 2C Environmental Effort • Supplemental EA/IS – Phase 2A South and 2C • Key design refinements: • Alignment in 2A-S  Waterside Toe • Staging Area  Additional 1.9 acres • Construction Method  Deep Mix Method

  8. Phase 2A-S & 2C Environmental Effort • February 16 – March 22: Public Comment Period • 3 Comments • February 28: Public Meeting in Marysville • 7 members of public

  9. Questions Presented by: Daniel Bremerman, P.E. (DWR) David Moldoff (DWR)

  10. Design and Construction Status Phase 4A Phase 1 Phase 2A-North Phase 3 Phase 2A-South Construction Year Phase 2A North = 2018 Phase 2A South = 2019 Phase 2C = 2020 Phase 2B = 2020,2021 Phase 3 = 2021 Phase 2B Phase 2C

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